Lighting device



FIG. 1 is a front perspective view of a lighting device showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a front perspective view thereof in an alternate configuration.

The broken lines in the Figures show portions of the lighting device which form no part of the claimed design. The oblique line shading in the Figures shows translucent or transparent materials. 

CLAIM The ornamental design for a lighting device, as shown and described. 